
  function login(){
    let psw = sessionStorage.getItem('zfpsw');
    if(/\d+@@zhufeng/.test(psw)){

    }else{
      psw = window.prompt("请在此输入访问密码");
      if(/\d+@@zhufeng/.test(psw)){
        sessionStorage.setItem('zfpsw',psw);
      }else{
        location.href = 'https://ke.qq.com/course/58689?taid=8323663799575873&tuin=492e24e5'
      }
    }
  }
  // if(!/404/.test(location.href)){
  //   login()
  // }
  login()
